2008 Buick LaCrosse Facelift

Models:

LaCrosse CX, LaCrosse CXL, LaCrosse CXS

Body style / driveline:

front-drive, front-engine, 4-door, 5- and 6-passenger sedan

Construction:

integral

EPA vehicle class:

midsize sedan

Manufacturing location:

Oshawa, Ontario, Canada

Key competitors:

Chrysler 300, Mercury Milan, Toyota Camry

3.8L V-6 (L26)

3.6L V-6 VVT (LY7)

Application:

std on CX, CXL

std on CXS

Type:

3.8L V-6

3.6L V-6

Displacement
(cu in / cc):

231 / 3791

217 / 3564

Bore & stroke
(in / mm):

3.80 x 3.40 / 96.5 x 86.4

3.70 x 3.37 / 94 x 85.6

Block material:

cast iron

cast aluminum with cast-in-place iron liners

Cylinder head material:

cast iron

aluminum

Valvetrain:

overhead valve, 2 valves per cylinder

dual overhead camshafts, 4 valves per cylinder, continuously variable valve timing

Ignition system:

electronic direct ignition system (DIS) and electronic spark control (ESC) and extended life platinum-tipped spark plugs

electronic; individual coil-on-plug; individual cylinder knock control and extended-life platinum-tipped spark plugs

Fuel delivery:

returnless sequential port fuel injection

returnless sequential port fuel injection

Compression ratio:

9.4:1

10.2:1

Horsepower (hp / kW @ rpm):

200 / 149 @ 5200

240 / 179 @ 6000

Torque
(lb-ft / Nm @ rpm):

230 / 312 @ 4000

225 / 305 @ 2000

Recommended fuel:

unleaded regular

unleaded regular

Maximum engine speed (rpm):

5900

6900

Emissions controls:

evaporative system, single close-coupled catalytic converter, positive crankcase ventilation, electronic throttle control; exhaust gas recirculation, SAI-supplemental air injection-SULEV, fast response oxygen sensor-SULEV

evaporative system, single close-coupled catalytic converter, equal-length exhaust, single underfloor catalytic converter, positive crankcase ventilation, intake and exhaust cam phasers, electronic throttle control

Estimated fuel economy (mpg) city / hwy / combined:

TBD

TBD

Type:

Hydra-Matic 4T65 electronically controlled 4-speed automatic with overdrive and torque converter clutch

Gear ratios (:1):

First:

2.92

Second:

1.56

Third:

1.00

Fourth:

0.70

Reverse:

2.38

Final drive ratio:

CX, CXL: 3.05:1; CXS: 3.69:1

Front:

MacPherson strut coil-over-spring; twin-tube dampers with four-stage valving; 30-mm tubular stabilizer bar (CX, CXS) and 32-mm tubular stabilizer bar (CXS)

Rear:

independent, tri-link coil-over-strut; twin-tube dampers; 17-mm tubular direct-acting stabilizer bar (CX, CXL) and 19.4-mm tubular direct-acting stabilizer bar (CXS)

Steering type:

low-friction power rack-and-pinion (CX, CXS); power-assisted with Magnasteer I on all CXS models and Magnasteer II on CXS with StabiliTrak

Steering ratio:

15.3:1 (CX, CXL); 13.3:1 (CXS)

Steering wheel turns, lock-to-lock:

CX, CXL: 2.39 (est.); CXS: TBD

Turning circle, curb to curb (ft / m):

(front tire): 40.4 / 12.3; (rear tire): 35.8 / 10.9

Type:

4-wheel disc with power assist, vented front, solid rear

Rotor diameter x thickness (in / mm):

front: 11.7 x 1.26 / 297 x 32
rear: 10.6 x 0.55 / 270 x 14

Wheel size and type:

CX: 16-inch steel wheel with deluxe wheel cover

CXL: 17-inch 8-spoke painted aluminum wheels with argent composite cover with embossed center-position tri-shield badge

CXS: 17-inch flangeless wheels with 12-spoke design, in painted aluminum; 2-dimensional tri-shield emblem in center hub position

Tires:

CX, CXL: P225/60R16 ALS (all-season)

CXS: P225/55R17 AL2 (touring)

Wheelbase (in / mm):

110.5 / 2807

Overall length (in / mm):

198.1 / 5031

Overall width (in / mm):

73 / 1853

Overall height (in / mm):

57.4 / 1458

Track (in / mm):

front: 61.7 / 1566; rear: 61.5 / 1561

Curb weight (lb / kg):

CX: 3495 / 1585

CXL: 3502 / 1589

CXS: 3568 / 1619

Seating capacity (front / rear):

5 / 6 ( 2 or 3 front / 3 rear)

Headroom (in / mm):

front: 39.4 / 1000; rear: 37.2 / 946

Legroom (in / mm):

front: 42.3 / 1074; rear: 37.6 / 955

Shoulder room (in / mm):

front: 57.2 / 1453; rear: 57 / 1448

Hip room (in / mm):

front: 55.3 / 1404; rear: 54.6 / 1387

EPA passenger volume (cu ft / L):

99.4 / 2815

EPA interior volume (cu ft / L):

115.4 / 3268

Cargo volume (cu ft / L):

16 / 453

Trailer towing maximum (lb / kg):

1000 / 454 (est.)

Fuel tank (gal / L):

17.5 / 66.24

Engine oil (qt / L):

L26: 4.5 / 4.3; LY7: 5.0 / 4.7

Cooling system (qt / L):

L26: 11.6 / 11; LY7: 11.6 / 11